bosch electricmotors.pdf

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| Unlimited service – Bosch electric motors
Unlimited service – Bosch electric motors
The worldwide competent partner for industrial applications
As the largest manufacturer of electric motors in Europe, Bosch
provides its customers with a comprehensive range of products
including brushless D.C. motors and brush-type D.C. motors.
Bosch electric motors are developed for the automotive industry
and installed into automobiles and commercial vehicles as drives
for wiping systems, engine cooling and passenger compartment
air-conditioning as well as for the adjustment of windows, sliding
roofs and seats.
The Bosch electric motors referred to here are permanent-magnet-
excited D.C. motors. They excel on account of an excellent power/
weight ratio, a broad working range and through outstanding
flexibility for adaptation to different requirements and installation
situations. In addition to this they are extremely quiet and very
robust (see D.C. motors without transmission).
Bosch plants around the globe operate according to the stringent,
internationally-binding Bosch quality guidelines, which only permit
products for series production that have been well-proven in tough
endurance tests. Profit from the strongly competitive products of
mass production.
Bosch Automotive Aftermarket
Page 2 of 113
2013 | 2014
Unlimited service – Bosch electric motors |
3
Production sites:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Toluca, Mexico
Albion, USA
Campinas, Brazil
Castellet, Spain
Bühl, Germany
Miskolc, Hungary
Brits, South Africa
Changsha, China
Penang, Malaysia
Suzhou, China
Buyong, Korea
Clayton, Australia
1
2
3
4
5
6 7
8 9 10 11
12
Customer orientation in development, production and sales
Innovative technology from
the automobile industry
Many
Individual solutions for your application
Professional customer service
million times well proven and
reliable Bosch quality –
As a leading developer and manufacturer
of automotive technology Bosch is also a
mobile and experienced partner outside
the automobile industry.
electric motors operate absolutely
reliably –
They are available in a light and compact
design, have a high output and long service
life.
and performance, that match up –
High-volume production results in
inexpensive prices.
The
Bosch
right solution for every requirement –
Due to a variety of different designs and
sizes, the Bosch range of electric motors
provides a great deal of flexibility for
installation and use.
Bosch electric motors operate in a D.C.
voltage range of 12 to 24 Volt. They are
also optionally available with and without
Hall elements.
application examples –
Power-operated hospital beds, wheel
chairs, garage-door drives, lawnmowers,
locking systems and output systems,
electric mopeds and lots more.
Engineering
team for new developments –
Right from the very start, Bosch engineers
provide their support and advice in the
application engineering for D.C. motors,
blowers or pumps.
customer orientation –
Bosch guarantees worldwide uniform
production and quality standards, and
availability of its products.
information –
Comprehensive information on Bosch
electric motors is available in our catalogue
or on the available CD-ROM. Apart from
this, you can also find all technical details
online at www.bosch-elektromotoren.de.
All-encompassing
Successful
Technical
Price
2013 | 2014
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Bosch Automotive Aftermarket
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| Parameter explanation
Parameter explanation
Nominal values
Nominal value
Value of a variable (e.g. voltage, current,
resistance ...) according to which a motor,
blower, or pump, or its characteristics and
parts are specified or according to which
they are designated.
Power consumption
P
1
Example
Theoretically, a nominal voltage of 24 V and
a rated current of 35 A result in a power
input of
P
1
:
P
1
=
U
N
·
I
N
;
P
1
= 24 V · 35 A;
P
1
= 840 W.
This power consumption
P
1
and the output
P
2N
(see Fig. page 7) determined from the
characteristic-curves chart are used to
calculate the efficiency
η
:
Direction of rotation
When looking at the motor’s shaft end,
clockwise operation is deemed to be right-
handed rotation.
For motors with two shaft ends, the shaft
end opposite the commutator determines
the direction of rotation.
Short-circuit values
The current consumed by the motor in case
of short-circuit (when armature is braked to
standstill), is the maximum current
I
max
.
When a short circuit occurs, the maximum
torque
M
A
(breakaway torque) is effective.
P
1
=
U · I
P
1
Power consumption in W
U
Voltage in V
I
Current in A
Output power
P
2
For motors the output power
P
2
is always
given.
η
=
P
2N
P
1
=
600 W
840 W
= 0,71 = 71%
Rated torque
M
N
The motor’s rated torque is calculated from:
60
2
π
IP degrees of protection
M
N
=
·
P
2N
n
N
Valid for electrical equipment of
road vehicles as under IEC 60 529 and
DIN 40 050, Part 9.
Protection
P
2
= 2
π
60
·M · n
P
2
Output power in W
M
Torque in Nm
n
Rotational speed in min
–1
Efficiency
η
Efficiency refers to the relationship between
mechanical output
P
2
and electrical power
input
P
1
.
M
N
Rated torque in Nm
P
2N
Rated power output in W
n
N
Rated speed in min
–1
Rated speed
n
N
Rated speed refers to the speed of a
motor supplied with rated voltage and driven
at a rated output.
of electrical equipment within
housing against influence of solid foreign
bodies including dust.
of electrical equipment within
housing against ingress of water.
of people against touching of
moving mechanical parts within housing.
Protection
Protection
η
2
=
P
2
P
1
Fastening
Housing
Cooling
Internal
fastening: By means of screws
on the motor or transmission housing.
Blowers are fastened in a similar manner,
either to the drive motor or the air shroud.
mounting: The motor’s drive-end
support has a two or three-hole flange,
or the front side contains three or four
threaded holes for fastening.
natural cooling: open-type design,
without fan.
natural cooling: open-type design,
with separate fan.
forced-air cooling: open-type
design, with externally-driven fan.
natural cooling: closed design,
without fan.
natural cooling: closed design,
with separate fan.
Internal
Flange
Internal
Surface
Surface
Bosch Automotive Aftermarket
Page 4 of 113
2013 | 2014
Parameter explanation |
5
IP-code structure
IP
Code letters
First index number
0...6 or letter X
Second index number
0...9 or letter X
Supplementary letter (facultative)
A, B, C, D
Supplementary letter (facultative)
M, S
K
2)
2
■
2)
3
■
3)
C
M
If an index number is not given, then the letter
“X” must be substituted (i.e. “XX”, if both
index numbers are missing).
Additional and/or supplementary letters can
be omitted without any substitution:
2)
The supplementary letter “K” is placed
either immediately after the first index
numbers 5 and 6 or immediately after the
second index numbers 4, 6 and 9.
3)
During the water test for example:
IP16KB protection against ingress of solid
foreign bodies with a diameter
50 mm,
protection against powerful spray water
at high pressure, protection against being
touched by fingers.
Explanations of IP code
1. Index number
and supple-
mentary letter
K
Protection of
People
electrical equip-
ment against
ingress of foreign
bodies
Not
protected
Not
protected
2. Index number Protection of
and supple-
electrical equip-
mentary letter K ment against
ingress of water
Letter
(facultative)
Protection of
Letter
people in event (facultative)
of contact with
hazardous parts
0
0
Not
protected
Protection
against vertical
droplets
Protection
against droplets,
15° Inclination
Protection
against spray
water
Protection
against spray
water
Protection
against spray
water with
increased pressure
Protection
against spray
water
Protection
against powerful
spray water
Protection
against powerful
spray water with
increased pressure
Protection
against temporary
immersion
Protection
against permanent
immersion
Protection
against high
pressure/vapor
pressure cleaning
A
Protection
M
against contact
with back of hand
Protection
against contact
with fingers
Protection
against contact
with tools
Protection
against contact
with wire
S
Motion of
moving parts
Teile
3
)
Standstill of
moving parts
Teile
3
)
1
Protection against Protection
1
foreign bodies
against contact
Ø
50 mm
with back of hand
Protection against Protection
foreign bodies
against contact
Ø
12.5 mm
with fingers
Protection against Protection
foreign bodies
against contact
Ø
2.5 mm
with tools
Protection against Protection
foreign bodies
against contact
Ø
1.0 mm
with wire
Dust-protected
Protection
against contact
with wire
Protection
against contact
with wire
2
B
2
C
3
3
D
4
4
5K
4K
6K
Dust-proof
5
6
6K
7
8
9K
2013 | 2014
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Bosch Automotive Aftermarket

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